Home / 1,300,089.60-1,949,356.80-670,233.60

Finding the Fourth Proportional to 1,300,089.60, 1,949,356.80 and 670,233.60

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Solution

The fourth proportional to 1,300,089.60, 1,949,356.80 and 670,233.60 is: 1,004,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,089.60 : 1,949,356.80 = 670,233.60 : x
  2. Step 2: Convert to fraction form
    1,300,089.60/1,949,356.80 = 670,233.60/x
  3. Step 3: Cross multiply
    1,300,089.60x = 1,949,356.80 × 670,233.60
  4. Step 4: Simplify right side
    1,300,089.60x = 1,306,524,425,748.48
  5. Step 5: Solve for x
    x = 1,306,524,425,748.48/1,300,089.60
  6. Step 6: Final answer
    x = 1,004,949.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.